The automatic control systems of this series are suitable to control forced draught burners for gaseous fuels for nonpermanent operation. All these controls perform non-volatile lock-outs, condition from which a restart of the system is only possible by means of the control manual reset. This range of controls is suitable to equip burners for domestic and industrial heating. The VM41 control is suitable for single flame applications, while the VM42 control is suitable for dual flame applications.

The main features of this range are the following:

• EC - Type certification (CE Reg. N° 63AQ0625) in accordance with Gas Appliance Directive 90/396;

• in accordance with EN 298 (European standard for automatic gas burner control systems), prEN 676 (European standard for automatic forced draught burners) and DIN 4788 (German standard for automatic forced draught burners);

• flame monitoring by the rectification property of the flame (ionization);

• two independent safety contacts for the gas valve control;

• electrical service life at max.declared loading >250.000

operations;

• inbuilt manual reset;

• easy to install and wire;

• interchangeable with the relevant mechanical controls as regards operation and dimensions;

• max. burner output for VM41:350KW;

•  max. burner output for VM42: no limits.